CN209785963U - Photovoltaic cell laminating equipment - Google Patents

Abstract

The utility model discloses a photovoltaic cell film covering device, which comprises a conveying material belt, a second film feeding roll, a first film feeding roll, a sucker conveying mechanism, a pressing mechanism and a cutting mechanism, wherein the conveying material belt conveys materials to a first position, a second position, a third position, a fourth position and a blanking position in sequence; the first film feeding roll continuously conveys the first light-transmitting film to the first position; the second film feeding roll continuously conveys the second light-transmitting film to the third position; the sucker conveying mechanism conveys the photovoltaic cell to the second position; the pressing mechanism presses the material at the fourth position, so that the photovoltaic cell is pressed between the first light-transmitting film and the second light-transmitting film to form a pressing part; the cutting mechanism cuts the pressing piece at the blanking position from the position between two adjacent photovoltaic cells to form an independent photovoltaic cell film covering monomer. The utility model discloses tectorial membrane before the welding improves photovoltaic cell subassembly from production efficiency, and the optimal equipment structure reduces the cost.

Description

Photovoltaic cell laminating equipment

Technical Field

The utility model relates to a photovoltaic cell's production field of making especially relates to photovoltaic cell laminating equipment.

Background

When the photovoltaic cell assembly is manufactured, strips are connected among a plurality of photovoltaic cells firstly, then the two sides of the connected photovoltaic cells are coated by manual operation to manufacture the photovoltaic cell assembly, however, in the photovoltaic cell assembly, the strips between the adjacent photovoltaic cells are different in length, the photovoltaic cells are easy to damage and bend, if the strips are mechanically realized, the requirements on the complexity and the precision of equipment are high, and the yield is low. And when in production, if a certain belt is not welded firmly or a certain photovoltaic cell has a fault, the whole photovoltaic cell assembly is scrapped, and the scrapping cost is high.

Therefore, a photovoltaic cell laminating apparatus capable of solving the above problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic cell laminating equipment, the tectorial membrane before the welding improves photovoltaic cell subassembly from production efficiency, and the optimizing equipment structure reduces the cost.

In order to realize the purpose, the utility model discloses a photovoltaic cell film coating device, wherein the front side and the rear side of the upper surface of a photovoltaic cell are provided with pin welding spots, the photovoltaic cell film coating device comprises a material conveying belt, a second film material conveying roll, a first film material conveying roll, a sucker conveying mechanism, a pressing mechanism and a cutting mechanism, and the material conveying belt conveys materials to a first position, a second position, a third position, a fourth position and a blanking position in sequence; the first film feeding roll continuously conveys the first light-transmitting film to the first position; the second film feeding roll continuously conveys the second light-transmitting film to the third position; the sucker conveying mechanism conveys the photovoltaic cell to the second position; the pressing mechanism presses the material at the fourth position, so that the photovoltaic cell is pressed between the first light-transmitting film and the second light-transmitting film to form a pressing part; the cutting mechanism cuts the pressing piece at the blanking position from the position between two adjacent photovoltaic cells to form an independent photovoltaic cell film covering monomer.

Compared with the prior art, the utility model discloses a photovoltaic cell tectorial membrane equipment is with solitary photovoltaic cell intercommunication pin solder joint together sealed in the printing opacity membrane, need not to become the tectorial membrane again after the group battery with a plurality of photovoltaic cells connection, can directly use full-automatic production equipment to produce, and production efficiency is high, can effectively protect photovoltaic cell itself, and when certain photovoltaic cell tectorial membrane monomer trouble, can in time change. On the other hand, this equipment cooperation subsequent welding equipment cuts the first printing opacity membrane or the second printing opacity membrane that is located the photovoltaic cell upper surface and exposes the pin solder joint, welds the upper band again and in order to link together a plurality of photovoltaic cells and form the photovoltaic cell subassembly, the automated production of being convenient for and when certain photovoltaic cell solder joint is unstable, maintenance that can be convenient in time. The pin welding points can be directly formed on the upper surface of the photovoltaic cell, and can also protrude out of the front side and the rear side edge of the photovoltaic cell.

The first light-transmitting film can be an upper light-transmitting film positioned on the upper surface of the photovoltaic cell, and the second light-transmitting film is positioned on the lower surface of the photovoltaic cell correspondingly. The first light-transmitting film can be a lower light-transmitting film positioned on the lower surface of the photovoltaic cell, and the second light-transmitting film can also be an upper light-transmitting film positioned on the upper surface of the photovoltaic cell correspondingly.

Preferably, the suction cup conveying mechanism transversely places the photovoltaic cells at a position corresponding to the width of the conveying material belt, so that the front side and the rear side of the photovoltaic cells are arranged along the length direction of the conveying material belt. Photovoltaic cell's front side and rear side are located in proper order on the length direction of first printing opacity membrane, and each photovoltaic cell by the pressfitting in same preset position of first printing opacity membrane width direction for pin solder joint is in the photovoltaic cell tectorial membrane monomer on the ascending preset position of left and right sides, can pinpoint and open first printing opacity membrane or the second printing opacity membrane that is located the photovoltaic cell upper surface and expose the pin solder joint.

Preferably, the photovoltaic cell film covering equipment further comprises a prepressing piece processing device, the prepressing piece processing device comprises a prepressing table, a positioning film feeding roll, a blanking mechanism, a material conveying mechanism and a first pressing component, the positioning film feeding roll conveys a positioning light-transmitting film to the blanking mechanism, the blanking mechanism cuts the positioning light-transmitting film into positioning diaphragms corresponding to the photovoltaic cell film covering monomers, and pin notches penetrating through the corresponding edges of the positioning diaphragms are formed in the positions, corresponding to the pin welding points, of the positioning diaphragms; the material conveying mechanism conveys the photovoltaic cell and the positioning diaphragm to the prepressing table in sequence, the photovoltaic cell and the positioning diaphragm are stacked in an aligned mode, the first pressing component is matched with the prepressing table to press the positioning diaphragm and the photovoltaic cell together to form a prepressing piece, and the sucker conveying mechanism conveys the prepressing piece to the second position. The pin gap enables the cut part to be easily lifted to expose the pin welding point after the first light-transmitting film or the second light-transmitting film on the upper surface of the photovoltaic cell is cut.

Preferably, the photovoltaic cell film laminating device further comprises a second pressing component, the second pressing component cooperates with the pressing table at the second position to press the photovoltaic cell or the pre-pressing component on the first light-transmitting film at the second position while the photovoltaic cell or the pre-pressing component is placed at the second position, so that the photovoltaic cell or the pre-pressing component is prevented from shifting on the first light-transmitting film, and the pre-pressing component can be pressed on the first light-transmitting film more firmly.

Preferably, the material conveying mechanism conveys the photovoltaic cell to the pre-pressing table, and conveys the positioning film from the blanking mechanism to the pre-pressing table and covers the photovoltaic cell.

The photovoltaic cell laminating equipment further comprises a feeding tray for bearing the photovoltaic cell, the material conveying mechanism further comprises a first conveying assembly, a second conveying assembly and a third conveying assembly, the first conveying assembly and the second conveying assembly are both mounted on a first linear slide rail, the photovoltaic cell is conveyed to a prepressing table of a pressing station from the feeding tray by the first conveying assembly, the positioning diaphragm is conveyed to the prepressing table of the pressing station from the blanking mechanism by the second conveying assembly, the third conveying assembly is connected with the prepressing table and drives the prepressing table to move to the pressing station and an unloading station along the first linear slide rail, and the prepressing piece is conveyed to the second position from the prepressing table of the unloading station by the sucker conveying mechanism.

preferably, the blanking mechanism comprises an upper die, a lower die and a driving part, a through hole corresponding to the positioning diaphragm is formed in the upper die in a penetrating mode, a punch matched with the through hole is arranged on the lower die, a channel for the positioning light-transmitting film to pass through is formed between the upper die and the lower die, and the driving part drives the punch to ascend to be matched with the edge of the through hole to blank the positioning light-transmitting film to form the positioning diaphragm located on the upper surface of the punch.

Specifically, the sucker conveying mechanism comprises a fourth conveying assembly and a turnover assembly, the prepressing table is formed on the upper surface of the punch block, the fourth conveying assembly conveys the photovoltaic cell to the pre-pressing station and covers the positioning film, the turnover assembly comprises a turnover sucker rotating around a first rotating shaft arranged horizontally and a rotation driving part connected with the turnover sucker, the rotation driving part drives the turnover sucker to rotate around the first rotating shaft in a reciprocating manner, so that the suction nozzle of the turnover suction cup is turned over downwards to a first station or the suction nozzle is turned over upwards to a second station, the first station is positioned at the pre-pressing platform, or the sucker conveying mechanism further comprises a pressing conveying assembly for conveying the prepressing piece from the prepressing table to the first station, and the sucker conveying mechanism conveys the prepressing piece from the second station to the second position.

More specifically, the first rotating shaft is located at a side portion of the turnover sucker, the rotation driving portion drives the turnover sucker to rotate around the first rotating shaft in a reciprocating mode so that the turnover sucker moves on two opposite sides of the first rotating shaft, and the first station and the second station are located on two opposite sides of the first rotating shaft respectively. The occupied volume is small, and the turnover is easy.

more specifically, the material conveying mechanism comprises a conveying plate rotating around a vertical second rotating shaft, a material taking sucker installed on the conveying plate, a rotary driving part driving the conveying plate to rotate around the second rotating shaft and a lifting driving part driving the conveying plate to move along the vertical direction, the rotary driving part drives the conveying plate to rotate around the second rotating shaft so that the material taking sucker moves between a second station and a second position, the lifting driving part drives the conveying plate to lift, and a suction nozzle of the material taking sucker faces downwards. Simple structure, convenient and fast and space saving.

Drawings

Fig. 1a is an exploded view of a photovoltaic cell film covering unit according to a first embodiment of the present invention.

Fig. 1b is a production flow chart of the method for laminating a photovoltaic cell according to the first embodiment of the present invention.

Fig. 1c is a schematic structural diagram of the photovoltaic cell coating monomer according to another embodiment of the present invention.

Fig. 2a is an exploded view of a photovoltaic cell film covering unit according to a second embodiment of the present invention.

Fig. 2b is a production flow chart of a method for laminating a photovoltaic cell according to a second embodiment of the present invention.

Fig. 2c is a schematic structural diagram of the photovoltaic cell coating monomer according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a photovoltaic cell laminating apparatus according to a third embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a photovoltaic cell laminating apparatus according to a fourth embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a photovoltaic cell laminating apparatus according to a fifth embodiment of the present invention.

Fig. 6 is a schematic plan view of a photovoltaic cell film covering apparatus according to a fifth embodiment of the present invention.

Fig. 7 is a top view of a photovoltaic cell lamination apparatus according to a fifth embodiment of the present invention.

Fig. 8 is a schematic perspective view of the preform processing apparatus according to the fourth and fifth embodiments of the present invention.

Fig. 9 is a top view of the preform processing device of fig. 8.

Fig. 10 is a schematic structural diagram of the blanking mechanism in the third, fourth, fifth, and sixth embodiments of the present invention.

FIG. 11 is a side view of the preform tooling device of FIG. 8.

Fig. 12 is a schematic perspective view of a part of a photovoltaic cell laminating apparatus according to a sixth embodiment of the present invention.

Fig. 13 is a side view of a portion of a photovoltaic cell lamination apparatus according to a sixth embodiment of the present invention.

Fig. 14 is a partial perspective view of another angle of the photovoltaic cell laminating apparatus according to the sixth embodiment of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

referring to fig. 1a and 1b, in a first embodiment of the present invention, the present invention discloses a photovoltaic cell laminating method S100, including the following steps: (S10) arranging a plurality of photovoltaic cells 11 at a predetermined pitch along the length direction of the lower light-transmitting film 12 and laminating between the upper light-transmitting film 13 and the lower light-transmitting film 12 to form a laminated member 17; (S20) cutting the pressing member 17 from a position between two adjacent photovoltaic cells 11 along the length direction of the lower light-transmitting film 12 to obtain an independent photovoltaic cell film-covered single body 14, wherein in the photovoltaic cell film-covered single body 14, the photovoltaic cells 11 and the pin pads 111 are covered in the upper light-transmitting film 13 and the lower light-transmitting film 12.

Wherein, referring to fig. 1b, the step (S10) comprises: (S11a) arranging and laying a plurality of photovoltaic cells 11 on the lower light-transmitting film 12 along the length direction of the lower light-transmitting film 12 at preset intervals, (S11b) covering the upper light-transmitting film 13 on the lower light-transmitting film 12 and pressing the upper light-transmitting film 13 to enable the photovoltaic cells 11 to be pressed between the upper light-transmitting film 13 and the lower light-transmitting film 12.

Specifically, in the step (S20), the upper and lower light-transmitting films 13 and 12 are cut from the middle position of two adjacent photovoltaic cells 11, and the pin pads 111 of the manufactured photovoltaic cell film-covered single body 14 are completely covered in the upper and lower light-transmitting films 13 and 12.

Specifically, referring to fig. 1b, in the step (S10), the front side and the rear side of the photovoltaic cell 11 are arranged along the length direction of the lower light-transmitting film 12, and each photovoltaic cell 11 is pressed at the same preset position in the width direction of the lower light-transmitting film 12, so as to facilitate trimming and determining the position of the pin solder joint, so that the subsequent process can precisely cut the upper light-transmitting film to expose the pin solder joint.

Referring to fig. 1c, in another embodiment, in the step (S20), the pressing member 17 is cut at a position adjacent to the pin pads 111 of the photovoltaic cell 11, and the pin pads 111 of the manufactured photovoltaic cell film covering unit 14 are covered in the upper and lower light-transmitting films 13 and 12, and the ends thereof are exposed at the edges of the upper and lower light-transmitting films 13 and 12. Even if the pin pads 111 protrude beyond the edge of the photovoltaic cell 11, the upper and lower light-transmitting films 13 and 12 are cut off directly from the positions of the pin pads 111.

Referring to fig. 2a and 2b, in a second embodiment of the present invention, different from the first embodiment, the step (S10) further includes: (a) cutting the positioning light-transmitting film 15 into positioning films 151 corresponding to the photovoltaic cell film-coated single bodies 14, wherein a pin notch 152 penetrating to the corresponding edge of the positioning light-transmitting film 151 is arranged at the position of each positioning film 151 corresponding to the pin welding spot 111; (b) pressing the positioning film 151 on the corresponding position of the upper surface of the photovoltaic cell 11 to form a pre-pressing member 16, wherein the pin welding spot 111 is arranged at the pin notch 152; in the step (S20): and pressing the pre-pressing piece 16 between the upper light-transmitting film 13 and the lower light-transmitting film 12 along a preset position to form a pressing piece 17. The size of the positioning film 151 may be the same as that of the photovoltaic cell film monomer 14, or may be slightly larger or slightly smaller than that of the photovoltaic cell film monomer 14, as long as the size of the positioning film 151 is not too large as the difference between the size of the positioning film 151 and the size of the photovoltaic cell film monomer 14, of course, the size of the positioning film 151 in the width direction of the lower transparent film 12 needs to be less than or equal to that of the photovoltaic cell film monomer 14, and the size of the positioning film 151 in the length direction of the lower transparent film 12 needs to be greater than or equal to that of the photovoltaic cell 11. The dimension of the positioning film 151 along the length direction of the lower light-transmitting film 12 is preferably equal to or greater than the photovoltaic cell coated single cell 14. In this embodiment, the dimension of the positioning film 151 along the length direction of the lower transparent film 12 is slightly smaller than the photovoltaic cell film monomer 14 and larger than the photovoltaic cell 11, and the dimension of the positioning film 151 along the width direction of the lower transparent film 12 is smaller than the photovoltaic cell film monomer 14 and larger than the photovoltaic cell 11.

In the present embodiment, in the step (S20), the pressing member 17 is cut from the most middle position of two adjacent photovoltaic cells 11, and the lead pads 111 of the manufactured photovoltaic cell film covering unit 14 are completely covered in the upper light-transmitting film 13 and the lower light-transmitting film 12.

Referring to fig. 2c, in another embodiment, in the step (S20), the pressing member 17 is cut at a position adjacent to the pin pads 111 of the photovoltaic cell 11, and the pin pads 111 of the manufactured photovoltaic cell film covering unit 14 are covered in the upper and lower light-transmitting films 13 and 12, and the ends thereof are exposed at the edges of the upper and lower light-transmitting films 13 and 12. Even if the pin pad 111 protrudes beyond the edge of the photovoltaic cell 11, the press-fit member 17 is cut off directly from the position of the pin pad 111.

The utility model also discloses a method of concatenation equipment photovoltaic cell subassembly, including above-mentioned photovoltaic cell tectorial membrane method S100, and the step: (S30) cutting the upper transparent film 13 covering the upper surface of the photovoltaic cell film-coated single body 14 for a predetermined distance along the left and right edges of the position of the pin solder joint 111, and lifting the upper transparent film 13 upward to expose the pin solder joint 111; (S40) soldering the plurality of photovoltaic cells 11 to the pin pads 111 using a tape (not shown) to connect the plurality of photovoltaic cells 11 together to form a photovoltaic cell stack (not shown); (S50) the lifted upper transparent film 13 is pressed down onto the photovoltaic cell 11 and the lower transparent film 12, and the lifted upper transparent film 13 is pressed into the cut-out notch on the upper transparent film 13.

Referring to fig. 3, 6 and 7, in a third embodiment of the present invention, the present invention discloses a photovoltaic cell film covering apparatus 200 for covering films on both sides of a photovoltaic cell 11, pin solder joints 111 are disposed on the front and back sides of the upper surface of the photovoltaic cell 11, the photovoltaic cell film covering apparatus 200 includes a material conveying belt 60, a second film feeding roll 32, a first film feeding roll 31, a suction cup conveying mechanism 51, a pressing mechanism 43 and a cutting mechanism 61, the material conveying belt 60 conveys materials (an upper transparent film 13, a lower transparent film 12 and a photovoltaic cell 11) to a first position 21, a second position 22, a third position 23, a fourth position 24 and a blanking position 25 in sequence; a first film feed roll 31 continuously feeds the lower light-transmitting film 12 to the first position 21; the second film feeding roll 32 continuously conveys the upper light-transmitting film 13 to the third position 23; the chuck transport mechanism 51 transports the photovoltaic cell 11 to the second position 22; the pressing mechanism 43 presses the upper light-transmitting film 13, the lower light-transmitting film 12 and the photovoltaic cell 11 at the fourth position 24, so that the photovoltaic cell 11 is pressed between the upper light-transmitting film 13 and the lower light-transmitting film 12 to form a pressing member 17 (shown in fig. 1b and 2 b); the cutting mechanism 61 cuts the pressing member 17 at the blanking position 25 from a position between two adjacent photovoltaic cells 11 to form individual photovoltaic cell coated single cells 14 (as shown in fig. 1b and 2 b). Of course, the upper transparent film 13 may be continuously fed to the first position 21 by the first film feeding roll 31, and the lower transparent film 12 may be continuously fed to the third position 23 by the second film feeding roll 32.

Wherein, a plurality of deviation rectifying devices are arranged on the conveying channels of the upper light transmission film 13 and the lower light transmission film 12 to prevent the upper light transmission film 13 and the lower light transmission film 12 from deviating on the conveying belt 60.

Referring to fig. 3 and 6, the photovoltaic cell laminating equipment further includes a blanking conveying assembly 52, and the blanking conveying assembly 52 conveys the cut photovoltaic cell laminating monomer 14 to a preset position for receiving.

Referring to fig. 7, the suction cup conveying mechanism 51 transversely puts the photovoltaic cells 11 (or the pre-pressing members 16) at corresponding positions of the width of the conveyor belt 60, so that the front and back sides of the photovoltaic cells 11 (or the pre-pressing members 16) are arranged along the length direction of the conveyor belt 60. That is, the suction cup conveying mechanism 51 transversely places the photovoltaic cells 11 (or the prepresses 16) at positions corresponding to the width of the lower transparent film 12, and arranges the front and rear sides thereof along the longitudinal direction of the lower transparent film 12.

Referring to fig. 3 and 6, the photovoltaic cell laminating apparatus further includes a second pressing assembly 42, and the second pressing assembly 42 cooperates with the pressing table 421 to press the photovoltaic cell 11 onto the lower transparent film 12 at the second position 22. Referring to fig. 8, preferably, the second pressing assembly 42 is disposed on the suction cup assembly of the suction cup conveying mechanism 51, and when the suction cup conveying mechanism 51 releases the photovoltaic cell 11 on the lower transparent film 12, the pressing blocks of the second pressing assembly pass through the through holes on the plate where the suction cup assembly of the suction cup conveying mechanism 51 is located and press the photovoltaic cell 11 on the lower transparent film 12 at the second position 22.

The lower light-transmitting film 12 is laminated on the lower surface of the photovoltaic cell 11, and the upper light-transmitting film 13 is laminated on the upper surface of the photovoltaic cell 11.

Referring to fig. 4, 8, 9 and 11, different from the third embodiment, in the fourth embodiment of the present invention, the photovoltaic cell film covering apparatus 100 further includes a pre-pressing device 300, the pre-pressing device 300 includes a pre-pressing table 441, a positioning film feeding roll 33, a blanking mechanism 62, a material conveying mechanism 53 and a first pressing assembly 44, the positioning film feeding roll 33 conveys the positioning light-transmitting film 15 to the blanking mechanism 62, the blanking mechanism 62 cuts the positioning light-transmitting film 15 into a positioning film 151 corresponding to the photovoltaic cell film covering monomer 14, and a pin notch 152 penetrating to a corresponding edge of the positioning film 151 is disposed at a position of the positioning film 151 corresponding to the pin welding point 111; the material conveying mechanism 53 conveys the photovoltaic cell 11 to the pre-pressing station 441, conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing station 441, and enables the photovoltaic cell 11 and the pre-pressing station 441 to be superposed in an aligned manner, the first pressing assembly 44 cooperates with the pre-pressing station 441 to press the positioning film 151 and the photovoltaic cell 11 together to form a pre-pressing member 16 (shown in fig. 2 b), and the suction cup conveying mechanism 51 conveys the pre-pressing member 16 to the second position 22.

Referring to fig. 8, a plurality of deviation correctors are provided on the conveying path of the positioning light-transmissive film 15 to prevent the positioning light-transmissive film 15 from being positionally deviated during the conveying process.

Referring to fig. 4 and 6, the second pressing assembly 42 cooperates with the pressing station 421 to press the pre-press 16 onto the lower transparent film 12 at the second position 22. Referring to fig. 8, preferably, the second pressing assembly 42 is disposed on the suction cup assembly of the suction cup conveying mechanism 51, and when the suction cup conveying mechanism 51 releases the pre-pressing member 16 on the lower transparent film 12, the pressing blocks of the second pressing assembly pass through the through holes of the plate on which the suction cup assembly of the suction cup conveying mechanism 51 is located and press the pre-pressing member 16 on the lower transparent film 12 at the second position 22. For the convenience of pressing, a heating block is disposed on the pressing stage 421 or the second pressing assembly 42 to achieve hot pressing.

Preferably, the first pressing component 44 is disposed on the suction cup component of the positioning film 151 conveyed by the material conveying mechanism 53, and when the material conveying mechanism 53 releases the positioning film 151 on the pre-pressing table 441, the pressing blocks of the first pressing component 44 penetrate through the through holes on the board where the suction cup component of the positioning film 151 conveyed by the material conveying mechanism 53 is located and press the positioning film 151 on the photovoltaic cell 11 at the pre-pressing table 441. For convenience of pressing, the pre-pressing stage 441 or the first pressing assembly 44 is provided with a heating block to realize hot pressing.

Referring to fig. 6, the material conveying mechanism 53 conveys the photovoltaic cell 11 to the pre-pressing station 441, and conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing station 441 and covers the photovoltaic cell 11.

Referring to fig. 7 and 11, the photovoltaic cell laminating apparatus 100 further includes an upper tray 30 for carrying the photovoltaic cells 11, and when the production in fig. 1a and 1b is performed, the suction cup conveying mechanism 51 directly conveys the photovoltaic cells 11 in the upper tray 30 to the lower transparent film 12 at the second position 22. When the production of fig. 2a and 2b is performed, the material conveying mechanism 53 conveys the photovoltaic cell 11 from the upper tray 30 to the pre-pressing stage 441.

In this embodiment, the feeding tray 30 includes a bearing plate rotating around a vertical rotating shaft, and two bearing grooves formed on two sides of the bearing plate relative to the rotating shaft, and the feeding tray 30 is driven by a driving mechanism to rotate 180 degrees, so that the two bearing grooves are respectively switched between a feeding position and a material taking position. During feeding, the sucker conveying mechanism 51 or the material conveying mechanism 53 first grabs the photovoltaic cell from the bearing groove of the material taking position, a new photovoltaic cell is placed in the bearing groove of the material taking position through the external material placing mechanism, and then the feeding tray 30 is driven by the driving mechanism to rotate 180 degrees, so that the bearing groove loaded with the new photovoltaic cell moves to the material taking position, and the bearing groove unloaded with the photovoltaic cell moves to the material taking position.

Referring to fig. 9 and 11, the material conveying mechanism 53 further includes a first conveying assembly 531, a second conveying assembly 532 and a third conveying assembly 533, the first conveying assembly 531 and the second conveying assembly 532 are both mounted on a first linear slide rail 541, the first conveying assembly 531 conveys the photovoltaic cell 11 from the upper tray 30 to a pre-pressing table 441 of the pressing station 26, the second conveying assembly 532 conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing table 441 of the pressing station 26, the third conveying assembly 533 is mounted on a second linear slide rail 542 parallel to the first linear slide rail 541, the third conveying assembly 533 is connected to the pre-pressing table 441 and drives the pre-pressing table 411 to move along the second linear slide rail 542 to the pressing station 26 and the unloading station 27, the suction cup conveying mechanism 51 is mounted on the third linear slide rail 543, and conveys the preform 16 from the preform table 441 of the discharge station 27 to the second position 22. Wherein, the prepressing table 441 is further provided with a sucker for sucking the photovoltaic cell 11.

During operation, the third conveying assembly 533 drives the pre-pressing table 411 to move to the pressing station 26 along the second linear slide rail 542, the first conveying assembly 531 conveys the photovoltaic cell 11 from the feeding tray 30 to the pre-pressing table 441 of the pressing station 26, the suction cups on the pre-pressing table 441 suck the photovoltaic cell 11, the first conveying assembly 531 leaves, the second conveying assembly 532 conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing table 441 of the pressing station 26, and the first pressing assembly 44 presses down the upper surface of the positioning film 151, so that the lower surface of the positioning film 151 and the photovoltaic cell 11 are correspondingly pressed together to form the pre-pressing member 16. Then, the suction cup of the third conveying assembly 533 moves to the pre-pressing table 411 and sucks the pre-pressing member 16, the suction cup on the pre-pressing table 411 releases the pre-pressing member 16, the third conveying assembly 533 drives the pre-pressing table 411 to move along the second linear slide rail 542 to the unloading station 27, the suction cup conveying mechanism 51 conveys the pre-pressing member 16 from the pre-pressing table 441 of the unloading station 27 to the second position 22, and the pre-pressing member 16 is pressed on the lower transparent film 12 by the second pressing assembly 42.

Referring to fig. 11, in order to improve efficiency, in this embodiment, the third linear slide rail 543 is disposed perpendicular to the second linear slide rail 542, and the pre-pressing piece processing device 300 has two pre-pressing pieces symmetrically disposed on two sides of the third linear slide rail 543, the two pre-pressing piece processing devices 300 share a third conveying assembly 533, the pre-pressing tables 441 of the two pre-pressing piece processing devices 300 are disposed on a mounting plate, respectively, and the distance between the two pre-pressing tables 441 is equal to the distance between the unloading station 27 and the pressing station 26, so that when any one pre-pressing table 441 is located at the unloading station, the other pre-pressing table 441 is located at the pressing station. The placing of the photovoltaic cell 11, the placing of the positioning film sheet 151 and the pressing of the photovoltaic cell 11 and the positioning film sheet 151 are respectively completed at the suction cup conveying mechanism 51 from one pre-pressing station 441 at the unloading station 27 by the first conveying assembly 531, the second conveying assembly 532 and the first pressing assembly 44, and vice versa, so that one loading and one unloading of the two pre-pressing stations 441 are realized. The pre-pressing table 411 may be driven by the third conveying assembly 533 to move up and down along a vertically arranged linear track.

Referring to fig. 10, the blanking mechanism 62 includes an upper die 622, a lower die 621, and a driving portion 623, a through hole 6221 corresponding to the positioning diaphragm 151 is formed through the upper die 622, a punch 6211 matched with the through hole 6221 is disposed on the lower die 621, a channel for the positioning light-transmitting film 15 to pass through is formed between the upper die 622 and the lower die 621, and the driving portion 623 drives the punch to ascend to match with the edge of the through hole to blank the positioning light-transmitting film 15 to form the positioning diaphragm 151 located on the upper surface of the punch 6211.

the upper transparent film 13 may be a single layer or a plurality of layers, and when the upper transparent film 13 is a plurality of layers, the corresponding second film feeding rolls 32 are provided, and the upper transparent film 13 is sequentially conveyed to the conveyor belt 60. Of course, the second film feeding roll 32 may also sequentially feed the upper transparent films 13 to the auxiliary material belt, and then press the upper transparent films 13 together by a pressing mechanism, and then feed the upper transparent films to the third position 23.

The lower transparent film 12 may be a single layer or a plurality of layers, and when the lower transparent film 12 is a plurality of layers, the corresponding first film feeding rolls 31 are provided, and the lower transparent film 12 is sequentially conveyed to the conveying belt 60. Of course, the first film feeding roll 31 may also sequentially convey the lower transparent films 12 to the auxiliary material belts, and then press the lower transparent films 12 together by a pressing mechanism, and then convey the lower transparent films to the first position 21. Referring to fig. 5 and 6, differing from the fourth embodiment of the present invention, in the fifth embodiment of the present invention, it can be seen that the lower transparent film 12 has four layers, and the first film feeding roll 31 includes a first roll 311, a second roll 312, a third roll 313, and a fourth roll 314 to sequentially transport the four layers of lower transparent film 12 to the auxiliary material belt 50, and then to be pressed together by the pressing mechanism 41, and then to be transported to the first position 21.

Referring to fig. 12 to 14, a sixth embodiment of the present invention is different from the fourth and fifth embodiments, in this embodiment, the suction cup conveying mechanism 51' includes a fourth conveying assembly 55 and an overturning assembly 56, a pre-pressing platform 411 is formed on the upper surface of the punch 6211, the fourth conveying assembly 55 conveys the photovoltaic cell 11 to the upper surface of the punch 6211 and is disposed on the positioning film 11, the overturning assembly 56 includes an overturning suction cup 562 rotating around a first rotating shaft 561 horizontally disposed and a rotation driving portion (not shown) connected to the overturning suction cup 562, the rotation driving portion drives the overturning suction cup 562 to rotate around the first rotating shaft 561 in a reciprocating manner, so that the overturning suction cup 561 overturns between the first station 28 and the second station 29, the suction cup 561 faces downward at the first station 28, and faces upward at the second station 29, the first station 28 is located at the upper surface (pre-pressing station 411) of the punch 6211.

The first rotating shaft 561 is located at a side portion of the turning suction cup 562, the rotation driving portion drives the turning suction cup 562 to rotate around the first rotating shaft 561 in a reciprocating manner so that the turning suction cup 562 moves on two opposite sides of the first rotating shaft 561, and the first station 28 and the second station 29 are located on two opposite sides of the first rotating shaft 561 respectively.

With continued reference to fig. 12 to 14, the suction cup conveying mechanism 51' includes a conveying plate 512 rotating around a vertical second rotating shaft 511, a material taking suction cup 513 mounted on the conveying plate 512, and a rotary driving part 514 for driving the conveying plate 512 to rotate around the second rotating shaft 511, the rotary driving part drives the conveying plate 512 to rotate around the second rotating shaft 511 so as to move the material taking suction cup between the second station 29 and the second position 22, and the material taking suction cup 513 is opposite to the suction nozzle of the turnover suction cup 562 at the second station 29.

The sucker conveying mechanism 51' further includes a lifting driving member 515 for driving the conveying plate 512 to move in a vertical direction.

Referring to fig. 12 to 14, in order to improve efficiency, in the embodiment, the pre-pressing piece processing device has two material taking suction cups 513 symmetrically disposed on two sides of the suction cup conveying mechanism 51', and when one material taking suction cup 513 on the conveying plate 512 discharges, the other material taking suction cup 513 charges.

With continued reference to fig. 12 to 14, in operation, the punching mechanism 62 punches the positioning transparent film 15 in the channel into a positioning film 151, at which the positioning film 151 is located on the upper surface of the punch 6211, the fourth conveying assembly 55 conveys the photovoltaic cell 11 from the storage rack 30' for storing the photovoltaic cell 11 to the upper surface of the punch 6211 and onto the positioning film 11, as in the third embodiment, the first pressing assembly 44 is provided on the fourth conveying assembly 55, and when the fourth conveying assembly 55 places the photovoltaic cell 11 on the upper surface of the punch 6211, the lower punch presses the photovoltaic cell 11 on the positioning film 11 to form the pre-pressing member 16, then the fourth conveying assembly 55 is separated from the upper surface of the punch 6211, the rotating driving part with the overturning suction cup 562 overturns around the first rotating shaft 561 to the upper surface (first station suction nozzle) of the punch 6211 and faces downward, the overturning suction cup 562 sucks the pre-pressing member 16 on the upper surface of the punch 6211, and reversely overturned 180 degrees around the first rotating shaft 561 to the second station 29, the rotary driving part drives the conveying plate 512 to rotate around the second rotating shaft 511 so as to move the material taking suction cup 513 to the second station 29, after the material taking suction cup 513 sucks the prepressing piece 16 on the overturning suction cup 562 at the second station 29, the overturning suction cup 562 releases the prepressing piece 16, the rotary driving part drives the conveying plate 512 to rotate 180 degrees around the second rotating shaft 511 to the second position 22, and the lifting driving part drives the conveying plate 512 to descend so as to place the prepressing piece 16 on the conveying belt 50 at the second position 22.

Of course, in another embodiment, the pre-pressing member 16 may be directly conveyed to an overturning assembly by a conveying assembly, the pre-pressing member 16 is overturned by 180 degrees by the overturning assembly, and then the pre-pressing member 16 overturned on the overturning assembly is conveyed to the second position 22 by the material conveying mechanism in the above-mentioned embodiment.

The utility model discloses in all pressfittings all can be hot pressing.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (10)

1. The utility model provides a photovoltaic cell laminating equipment, the side is equipped with pin solder joint around the photovoltaic cell upper surface, its characterized in that: the method comprises the following steps:

The material belt is conveyed, and the materials are conveyed to a first position, a second position, a third position, a fourth position and a blanking position in sequence;

a first film feed roll for continuously feeding the first light-transmitting film to the first position;

A second film feeding roll which continuously feeds a second light-transmitting film to the third position;

The sucker conveying mechanism conveys the photovoltaic cell to the second position;

The pressing mechanism is used for pressing the material at the fourth position so that the photovoltaic cell is pressed between the first light-transmitting film and the second light-transmitting film to form a pressing part;

And the cutting mechanism is used for cutting the pressing piece at the blanking position from the position between two adjacent photovoltaic cells so as to form an independent photovoltaic cell film covering monomer.

2. The photovoltaic cell lamination apparatus of claim 1, wherein: the photovoltaic cells are transversely placed at the corresponding positions of the width of the conveying material belt by the sucker conveying mechanism, so that the front side and the rear side of the photovoltaic cells are arranged along the length direction of the conveying material belt.

3. The photovoltaic cell lamination apparatus of claim 1, wherein: the device comprises a pre-pressing piece processing device, wherein the pre-pressing piece processing device comprises a pre-pressing table, a positioning film feeding roll, a blanking mechanism, a material conveying mechanism and a first pressing assembly, the positioning film feeding roll conveys a positioning light-transmitting film to the blanking mechanism, the blanking mechanism cuts the positioning light-transmitting film into positioning diaphragms corresponding to the photovoltaic cell film covering monomers, and pin notches penetrating through the corresponding edges of the positioning diaphragms are formed in the positions, corresponding to the pin welding points, of the positioning diaphragms; the material conveying mechanism conveys the photovoltaic cell and the positioning diaphragm to the prepressing table in sequence, the photovoltaic cell and the positioning diaphragm are stacked in an aligned mode, the first pressing component is matched with the prepressing table to press the positioning diaphragm and the photovoltaic cell together to form a prepressing piece, and the sucker conveying mechanism conveys the prepressing piece to the second position.

4. The photovoltaic cell lamination apparatus of claim 1 or 3, wherein: the photovoltaic cell or the prepressing piece is arranged at the second position and is pressed on the first light-transmitting film at the second position by the second pressing component matched with the pressing platform at the second position.

5. The photovoltaic cell lamination apparatus of claim 3, wherein: the material conveying mechanism conveys the photovoltaic cell to the pre-pressing table, and conveys the positioning film piece to the pre-pressing table from the blanking mechanism and covers the photovoltaic cell.

6. The photovoltaic cell lamination apparatus of claim 5, wherein: the blanking device is characterized by further comprising a feeding tray for bearing the photovoltaic cell, the material conveying mechanism further comprises a first conveying assembly, a second conveying assembly and a third conveying assembly, the first conveying assembly and the second conveying assembly are mounted on a first linear slide rail, the photovoltaic cell is conveyed to a prepressing table of a pressing station from the feeding tray by the first conveying assembly, the positioning diaphragm is conveyed to the prepressing table of the pressing station from the blanking mechanism by the second conveying assembly, the third conveying assembly is connected with the prepressing table and drives the prepressing table to move to the pressing station and an unloading station along the first linear slide rail, and the prepressing piece is conveyed to the second position from the prepressing table of the unloading station by the sucker conveying mechanism.

7. The photovoltaic cell lamination apparatus of claim 3, wherein: the blanking mechanism comprises an upper die, a lower die and a driving part, a through hole corresponding to the positioning diaphragm is penetratingly formed in the upper die, a punch matched with the through hole is arranged on the lower die, a channel for the positioning light-transmitting film to pass through is formed between the upper die and the lower die, and the driving part drives the punch to ascend to be matched with the through hole for blanking at the edge of the through hole to form the positioning diaphragm located on the upper surface of the punch.

8. The photovoltaic cell lamination apparatus of claim 7, wherein: the sucker conveying mechanism comprises a fourth conveying assembly and an overturning assembly, the prepressing table is formed on the upper surface of the punch block, the fourth conveying assembly conveys the photovoltaic cell to the prepressing table and covers the positioning film, the overturning assembly comprises a first rotating shaft rotating overturning sucker and a rotating driving portion connected with the overturning sucker, the rotating driving portion drives the overturning sucker to rotate around the first rotating shaft in a reciprocating mode, so that the overturning sucker is overturned downwards to a first station or a sucker is overturned upwards to a second station, the first station is located at the prepressing table, or the sucker conveying mechanism further comprises a conveying assembly for conveying the prepressing piece from the prepressing table to the first station, and the sucker conveying mechanism conveys the prepressing piece from the second station to the second position.

9. The photovoltaic cell lamination apparatus of claim 8, wherein: the first rotating shaft is located on the side portion of the overturning sucking disc, the rotation driving portion drives the overturning sucking disc to rotate around the first rotating shaft in a reciprocating mode so that the overturning sucking disc moves on two opposite sides of the first rotating shaft, and the first station and the second station are located on two opposite sides of the first rotating shaft respectively.

10. The photovoltaic cell lamination apparatus of claim 8, wherein: the material conveying mechanism comprises a conveying plate rotating around a vertical second rotating shaft, a material taking sucker arranged on the conveying plate and a lifting driving part, the conveying plate rotates around a second rotating shaft rotating driving part and drives the conveying plate to move along the vertical direction, the rotating driving part drives the conveying plate to rotate around the second rotating shaft so that the material taking sucker moves between a second station and a second position, the lifting driving part drives the conveying plate to move up and down, and a suction nozzle of the material taking sucker faces downwards.